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On design patterns: When should I use the singleton?
...ptable" reasons to use a Singleton.
One reason that tends to come up over and over again on the internets is that of a "logging" class (which you mentioned). In this case, a Singleton can be used instead of a single instance of a class because a logging class usually needs to be used over and over ...
Are there benefits of passing by pointer over passing by reference in C++?
...ary/promoted objects, nor the use of pointed object as stack-like objects. And it will suggest that the argument can be NULL when, most of the time, a NULL value should be forbidden. Read litb's answer for a complete answer.
– paercebal
Dec 3 '08 at 10:12
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`staticmethod` and `abc.abstractmethod`: Will it blend?
In my Python app I want to make a method that is both a staticmethod and an abc.abstractmethod . How do I do this?
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How do you allow spaces to be entered using scanf?
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People (and especially beginners) should never use scanf("%s") or gets() or any other functions that do not have buffer overflow protection, unless you know for certain that the input will always be of a specific format (and perhaps ...
How can I disable the UITableView selection?
When you tap a row in a UITableView , the row is highlighted and selected. Is it possible to disable this so tapping a row does nothing?
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Ways to circumvent the same-origin policy
...earching for this topic. This is one of the most searched-for topics on SO and there is no consolidated wiki for it so here I go :)
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Difference between an API and SDK
... to explain what a software interface is with an easier to visually understand hardware analogy
– Sliceoftime
May 7 '09 at 14:50
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Modelling an elevator using Object-Oriented Analysis and Design [closed]
There are a set of questions that seem to be commonly-used in interviews and classes when it comes to object-oriented design and analysis. This is one of them; unfortunately, my OOP professor in college never actually gave an answer to it, and so I've been wondering.
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What is “above-the-fold content” in Google Pagespeed?
...on't need to scroll to see. Obviously, this varies depending on the device and its orientation, so you may need to generalize and maybe find some workable common options, maybe one targeting smartphones, one for tablets, and one for larger desktops.
As for what CSS they are talking about, they are ...
Setting an int to Infinity in C++
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And if you really need infinity as an int, write a wrapper class that overloads the comparison operators and has a boolean variable named "is_infinity".
– user142019
Dec 31 '11 at 21:22
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